Re: [Lse-tech] Re: 10.31 second kernel compile
Daniel Phillips (phillips@bonn-fries.net)
Thu, 14 Mar 2002 19:33:40 +0100
On March 14, 2002 02:21 pm, Momchil Velikov wrote:
> >>>>> "Anton" == Anton Blanchard <anton@samba.org> writes:
> Anton> Thats due to the way we manipulate the ppc hashed page table. Every
> Anton> time we update the linux page tables we have to update the hashed
> Anton> page table. There are some obvious optimisations we need to make,
>
> Out of curiousity, why there's a need to update the linux page tables ?
> Doesn't pte/pmd/pgd family functions provide enough abstraction in
> order to maintain _only_ the hashed page table ?
No, it's hardwired to the x86 tree view of page translation.
--
Daniel
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